4. Enter the barcode. You also can enter a title such as "Cancellation Fee" for example. Then click Next.

5. Enter "NoShow/CancellationFees" for the product name. You can also enter this as the description. Make sure to select a brand and product type as well.

Enter $0 or a random price under Selling Price. You'll be able to modify the price when you apply the fee on the checkout screen.

Click Submit when you are finished.

6. The product has been saved to your inventory. You now can add it as a fee on the Checkout screen.

Once you get to this screen, select the customer. Select the No Show/Cancellation Fees product by first clicking the Product option at the bottom of the screen. Then click Checkout at the bottom-right corner of the screen after entering the payment.